How did religious division affect Europe?

Look at the explanations.

Explanation:

During the Medieval era of Europe, the different religions were introduced, creating a crack of division of the Catholic, and the religion introduced by John Calvin, Predestination. The city states each believed in different religions, creating war in Europe. There were also power struggle among the people. The religious people such as popes and bishops were not serving Jesus godly anymore, but just used as a source of money, wealth, and power. It created corruption in Europe, ending the Medieval era with the start of the Renaissance period.

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the crusaders are identified in the painting;

c. by the red crosses on their backs

i believe the answer is bartolomeo dias